1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef SCRIPT_HANDLER_H 28 #define SCRIPT_HANDLER_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include "interface.h" 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * The signal SIGTERM is sent to a script process if it does not exit after 40 * SCRIPT_TIMEOUT seconds; and the signal SIGKILL is sent if it is still alive 41 * SCRIPT_TIMEOUT_GRACE seconds after SIGTERM is sent. (SCRIPT_TIMEOUT + 42 * SCRIPT_TIMEOUT_GRACE) should be less than DHCP_ASYNC_WAIT. 43 */ 44 #define SCRIPT_TIMEOUT 55 45 #define SCRIPT_TIMEOUT_GRACE 3 46 47 /* 48 * script exit status as dhcpagent sees it, for debug purpose only. 49 * 50 * SCRIPT_OK: script exits ok, no timeout 51 * SCRIPT_KILLED: script timeout, killed 52 * SCRIPT_FAILED: unknown status 53 */ 54 55 enum { SCRIPT_OK, SCRIPT_KILLED, SCRIPT_FAILED }; 56 57 /* 58 * event names for script. 59 */ 60 #define EVENT_BOUND "BOUND" 61 #define EVENT_EXTEND "EXTEND" 62 #define EVENT_EXPIRE "EXPIRE" 63 #define EVENT_DROP "DROP" 64 #define EVENT_RELEASE "RELEASE" 65 66 /* 67 * script location. 68 */ 69 #define SCRIPT_PATH "/etc/dhcp/eventhook" 70 71 /* 72 * the number of running scripts. 73 */ 74 extern unsigned int script_count; 75 76 int script_start(struct ifslist *, const char *, 77 script_callback_t *, const char *, int *); 78 void script_stop(struct ifslist *); 79 80 #ifdef __cplusplus 81 } 82 #endif 83 84 #endif /* SCRIPT_HANDLER_H */ 85